Commercial Building Permit in Kuna, Idaho

Kuna requires a commercial building permit for: Commercial building permit required for new commercial structures, tenant improvements, change of occupancy, rooftop unit additions/replacements, fencing, and accessory structures over 120 sq ft; Submit application and individual PDFs to CommercialPermits@KunaID.gov (see Forms & Applications page for full list); Commercial submittals (Building Permit Application, contractor's bid document with scope of work on company letterhead, site plan, floor plan, plumbing fixture count) required; Electrical, Plumbing, and Mechanical costs must be listed as separate line items — not included in contractor's construction cost; Engineering/structural calculations required, stamped by Idaho licensed design professional; Construction plans (24x36) must reference IBC 2018 and include Electrical, Mechanical, Plumbing, and Civil Site Plan sheets; Civil plans reviewed separately by Public Works Department; must be approved before Building Department review; Kuna Fire will assess project for impact fee and conduct life safety plan review (kunafire.com/permits-applications); fire impact fee paid as part of building permit; ACHD (Ada County Highway District) impact fee review is a separate process; payment receipt required before permit is issued; Four different inspector reviews required prior to permit fee processing for Commercial/Tenant Improvements; Payment of submittal fees (including plumbing review fee, electrical review fee, and $200 submittal fee) required before plan review begins. If your project isn't listed, confirm with City of Kuna Building Department at (208) 922-5546 before starting work.

In Kuna, the published Commercial Building Permit Submittal Fee is: $200. Additional published fees: Commercial Structural/Mechanical Plan Review Fee — $150 per hour, 1-hour minimum; Commercial Plumbing Plan Review Fee (up to 10,000 sq ft) — $200; Commercial Plumbing Plan Review Fee (10,001–100,000 sq ft) — $400; Commercial Plumbing Plan Review Fee (over 100,001 sq ft) — $600; Commercial Electrical Plan Review Fee (up to 10,000 sq ft) — $200; Commercial Electrical Plan Review Fee (10,001–100,000 sq ft) — $400; Commercial Electrical Plan Review Fee (over 100,001 sq ft) — $600; Building Permit Fee (project value $1–$2,000) — $65; Building Permit Fee (project value $2,001–$25,000) — $65 for first $2,000 + $11.35 per additional $1,000 or fraction thereof; Change of Occupancy — $100 (includes inspection); Temporary Certificate of Occupancy — $40; Building Permit Modification — $100; Re-inspection Fee — $65 each (after each failed attempt); Reinstatement Fee: Commercial — $150. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a commercial building permit in Kuna typically runs 15–45 business days. This is an estimate, not a published figure — confirm current review times with City of Kuna Building Department at (208) 922-5546.

You'll need: Commercial Building Permit Application (PDF); Contractor's Bid Document (scope of work on company letterhead); Site Plan (individual PDF page); Floor Plan (individual PDF page); Plumbing Fixture Count (8.5x11); Engineering/Structural Calculations (stamped PDF); Construction Plans (24x36 PDF); Kuna Fire Payment Certification and Impact Fee Certification; ACHD Impact Fee Payment Receipt. See the required-documents checklist on this page for details on each.

Kuna requires 4 inspection(s) for a commercial building permit, in order: Foundation/Slab, Framing/Rough-In, Fire/Life Safety, Final. Schedule each through City of Kuna Building Department ((208) 922-5546).

Apply through City of Kuna Building Department at 751 W. 4th Street, P.O. Box 13, Kuna, ID 83634. Phone: (208) 922-5546, email: BuildingPermits@KunaID.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM; inspection requests must be submitted prior to 4:00 PM for next business day. Official information: https://kunacity.id.gov/119/Building-Department.

Kuna, Idaho has adopted: 2018 International Building Code (IBC) — adopted statewide per Idaho Building Code Act; 2018 International Residential Code (IRC, Parts I, II, III and IX) — adopted statewide; 2018 International Energy Conservation Code (IECC) — adopted statewide; 2018 International Existing Building Code (IEBC) — adopted statewide; 2018 International Mechanical Code (IMC) — adopted statewide; 2018 International Fuel Gas Code (IFGC) — adopted statewide; 2023 National Electrical Code (NEC/NFPA 70) — adopted via Idaho Electrical Board; 2017 Idaho State Plumbing Code (ISPC) — based on 2015 Uniform Plumbing Code; 2018 International Fire Code (IFC) — administered by Idaho Fire Marshal. Local amendments apply — see the Kuna overview page for the full list.

Yes. A commercial building permit is required if you plan to finish or remodel an existing building shell as a tenant improvement. Commercial submittals must be stamped by a licensed design professional.